It ain't the first Mercedes-Benz concept to dazzle us, and we get the feeling it's far from being the last. Dreamed up by designer Siyamak Rouhi Dehkordi, the Hexawheel is doing its darnedest to bring the gas guzzler back, and while we'd never turn down a solid deal on our own G-Wagon, there's something mighty novel about this ride. Boasting an iconic M-B design, this here creature deviates drastically from the typical road w